Home / 3,690.23-5,534.14-1,224.39

Finding the Fourth Proportional to 3,690.23, 5,534.14 and 1,224.39

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Solution

The fourth proportional to 3,690.23, 5,534.14 and 1,224.39 is: 1,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.23 : 5,534.14 = 1,224.39 : x
  2. Step 2: Convert to fraction form
    3,690.23/5,534.14 = 1,224.39/x
  3. Step 3: Cross multiply
    3,690.23x = 5,534.14 × 1,224.39
  4. Step 4: Simplify right side
    3,690.23x = 6,775,914.94
  5. Step 5: Solve for x
    x = 6,775,914.94/3,690.23
  6. Step 6: Final answer
    x = 1,836.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.